Cita APA (7th ed.)

(1940). Students' guide in earth science, a workbook and laboratory manual for use with any text in physiography.

Cita Chicago (17th ed.)

Students' Guide in Earth Science, a Workbook and Laboratory Manual for Use with Any Text in Physiography. 1940.

Cita MLA (9th ed.)

Students' Guide in Earth Science, a Workbook and Laboratory Manual for Use with Any Text in Physiography. 1940.